package com.zhoukx.facade;

/**
 * @ClassName Stereo
 * @Description:
 * @Author zhoukx
 * @Date 2020/8/10
 **/
public class Stereo {
    private static Stereo instact = new Stereo();

    public static Stereo getInstance() {
        return instact;
    }


    public void on() {
        System.out.println("立体声 on .........");
    }

    public void off() {
        System.out.println("立体声 off .........");
    }
    public void up() {
        System.out.println("立体声 up .........");
    }


}
